Telescope:
Takahashi FSQ106ED 
Mount:
AP900GTO 
Camera:
QSI583WSG 
Filter:
Astrodon H-alpha / O3 / S2 filter (5nm) 
Exposure:
9 hours (12x900s/12x900s/12x900s H-alpha / O3 / S2) @ f/5, chip temp -10C 
Processing:
Photoshop CS, CCDStack 
Location:
Northern Blackforest, Germany 
Date:
Aug 2012 / Aug 2014